CN202905112U - Light emitting diode (LED) full-color display screen - Google Patents
Light emitting diode (LED) full-color display screen Download PDFInfo
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- CN202905112U CN202905112U CN2012203852654U CN201220385265U CN202905112U CN 202905112 U CN202905112 U CN 202905112U CN 2012203852654 U CN2012203852654 U CN 2012203852654U CN 201220385265 U CN201220385265 U CN 201220385265U CN 202905112 U CN202905112 U CN 202905112U
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Abstract
The utility model relates to a light emitting diode (LED) full-color display screen and especially relates to a high-gray-scale high-refresh LED full-color display screen possessing a wireless communication function. The LED full-color display screen of the utility model is formed by a controller, a driving circuit and a plurality of LED unit plates which are used to splice and form a whole body of the display screen. An input terminal of the driving circuit is electrically connected with the controller. An output terminal of the driving circuit is electrically connected with the LED unit plates. The driving circuit at least comprises a constant current source chip. The constant current source chip possesses a 16-bit gray scale control pulse width modulation module so as to control the gray scale of a three-color LED. A base plate of the each LED unit plate is uniformly provided with a LED device. The base plate of the each LED unit plate adopts a multi-layer PCB circuit board. And the base plate of the each LED unit plate is provided with a heat dissipation layer respectively. The controller comprises a wireless communication module, a control module, a FLASH storage module. The control module, the wireless communication module and the FLASH storage module are successively electrically connected with each other. The display screen of the utility model is applied in remote control of the LED display screen.
Description
Technical field
The utility model relates to the LED full-colour display screen, particularly a kind of high LED of refreshing full-colour display screen of high gray scale with wireless communication function.
Background technology
LED display is the large scale display system that integrates computer technology, photoelectron technology, microelectric technique, the information processing technology.LED display is by certain control mode, is used for the display screen of the device array composition of the various information such as display text, figure, image, animation, market, video, video signal.In recent years, because semi-conductive making and processing technology are progressively ripe and perfect, light emitting diode (Light Emitting Diode, LED) is occupied an leading position in solid shows increasingly.It is why in widespread attention and developed rapidly, be that the brightness that has with itself is high, operating voltage is low, power consumption is little, microminiaturized easily with the integrated circuit coupling, drive simple, the life-span is long, shock-resistant, steady performance is inseparable, and is and present just towards high brightness more, more high weather resistance, higher uniformity of luminance, higher reliability and panchromaticization future development.Therefore, the LED display that is applied under the outdoor scene is also more and more, so, if need to upgrade the displaying contents of LED display or the preset program of change LED display, then need the technician to operate to the scene, make troubles for user's operation and maintenance.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of LED full-colour display screen with wireless communication function, makes the technician needn't arrive the scene and just can operate display screen.
For solving the problems of the technologies described above, the utility model provides the LED full-colour display screen, by controller, driving circuit, the a plurality of LED cell boards that are spliced to form display screen integral body form, the input end of described driving circuit is electrically connected at controller, the output terminal of driving circuit is electrically connected at the LED cell board, described driving circuit comprises a constant current source chip at least, this constant current source chip has the pulse width modulation module of 16 GTG controls with the gray scale of control three-color LED, evenly be provided with the LED device on the base plate of described LED cell board, the base plate of described LED cell board adopts multilayer PCB circuit board, the base plate of described LED cell board is respectively equipped with heat dissipating layer, described controller comprises wireless communication module, control module, the FLASH memory module, described control module, wireless communication module and FLASH memory module sequentially are electrically connected.
Further, described wireless communication module is GPRS module or gsm module or WIFI module.
Further, described heat dissipating layer is aluminium base or copper base or iron substrate or aluminium alloy base plate.
The utility model adopts said structure, has the following advantages:
1. driving circuit of the present utility model comprises the constant current source chip of controlling three-color LED, described constant current source chip comprises the pulse width modulation module of 16 GTG controls, pulse width modulation function with 16 GTG controls, and the time of conducting is dispersed into a plurality of shorter ON time, increased the turnover rate of vision, reduce the flicker of picture, reduced the requirement to the controller clock frequency, thereby under lower clock frequency, obtained higher refresh rate and number of greyscale levels;
2. controller of the present utility model comprises wireless communication module, for display screen has increased wireless communication function, so that the technician needn't go to the scene can carry out corresponding operating;
3. described LED cell board of the present utility model is respectively equipped with heat dissipating layer, has solved the problem that too high picture element density produces a large amount of heats and then causes the life-span reduction of LED;
4. LED cell board of the present utility model adopts multilayer PCB circuit board, has effectively reduced electromagnetic interference (EMI), has increased simultaneously the area of dissipation of LED.
Description of drawings
Fig. 1 is the structured flowchart of the utility model LED full-colour display screen.
Embodiment
Now with embodiment the utility model is further specified by reference to the accompanying drawings.
As shown in Figure 1, the utility model LED full-colour display screen, by controller 1, driving circuit 2, the a plurality of LED cell boards 3 that are spliced to form display screen integral body form, the input end of described driving circuit 2 is electrically connected at controller 1, the output terminal of driving circuit 2 is electrically connected at LED cell board 3, described driving circuit 2 comprises a constant current source chip 21 at least, this constant current source chip 21 has the pulse width modulation module of 16 GTG controls with the gray scale of control three-color LED, evenly be provided with the LED device on the base plate of described LED cell board 3, the base plate of described LED cell board 3 adopts multilayer PCB circuit board, the base plate of described LED cell board 3 is respectively equipped with heat dissipating layer, and described heat dissipating layer is aluminium base or copper base or iron substrate or aluminium alloy base plate.Described controller 1 comprises wireless communication module 11, control module 12, FLASH memory module 13, and described control module 12, wireless communication module 11 and FLASH memory module 13 successively order are electrically connected.Described wireless communication module 11 is GPRS module or gsm module or WIFI module.
Wherein, wireless communication module 11 is responsible for the information of receiving remote main frame and is transmitted to control module 12 and FLASH memory module 13, the information that 13 storages of FLASH memory module receive from wireless communication module 11, control module 12 is extracted corresponding command information according to preset program from FLASH memory module 13 canned datas, and then this display screen is operated accordingly.
In the concrete operations, use LED full-colour display screen of the present utility model to carry out operated from a distance:
When wireless communication module 11 is the GPRS module, pass through the GPRS transmission mode to the GPRS module transmission control command information of displaying screen controller 1 at distance host, for example the change of control display screen shows character, with original " welcome ", change " welcome again " into, then send order " welcome again for change character-", after receiving, the GPRS module is transmitted to control module 12 and FLASH memory module 13, FLASH memory module 13 these control command information of storage, control module 12 is extracted order " change character " according to preset program from this control command information, and then display screen operated, change the demonstration character of display screen into " welcome again ";
Same, when wireless communication module 11 is gsm module, pass through the GSM transmission mode to the gsm module transmission control command information of displaying screen controller 1 at distance host, after receiving, gsm module is transmitted to control module 12 and FLASH memory module 13, FLASH memory module 13 these control command information of storage, control module 12 is extracted order according to preset program from this control command information, and then display screen is operated accordingly;
Same, when wireless communication module 11 is the WIFI module, pass through the WIFI transmission mode to the WIFI module transmission control command information of displaying screen controller 1 at distance host, after receiving, the WIFI module is transmitted to control module 12 and FLASH memory module 13, FLASH memory module 13 these control command information of storage, control module 12 is extracted order according to preset program from this control command information, and then display screen is operated accordingly.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection domain of the present utility model.
Claims (3)
1.LED full-colour display screen, it is characterized in that: by controller, driving circuit, the a plurality of LED cell boards that are spliced to form display screen integral body form, the input end of described driving circuit is electrically connected at controller, the output terminal of driving circuit is electrically connected at the LED cell board, described driving circuit comprises a constant current source chip at least, this constant current source chip has the pulse width modulation module of 16 GTG controls with the gray scale of control three-color LED, evenly be provided with the LED device on the base plate of described LED cell board, the base plate of described LED cell board adopts multilayer PCB circuit board, the base plate of described LED cell board is respectively equipped with heat dissipating layer, described controller comprises wireless communication module, control module, the FLASH memory module, described control module, wireless communication module and FLASH memory module sequentially are electrically connected.
2. LED full-colour display screen according to claim 1, it is characterized in that: described wireless communication module is GPRS module or gsm module or WIFI module.
3. LED full-colour display screen according to claim 1, it is characterized in that: described heat dissipating layer is aluminium base or copper base or iron substrate or aluminium alloy base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203852654U CN202905112U (en) | 2012-08-03 | 2012-08-03 | Light emitting diode (LED) full-color display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203852654U CN202905112U (en) | 2012-08-03 | 2012-08-03 | Light emitting diode (LED) full-color display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905112U true CN202905112U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203852654U Expired - Fee Related CN202905112U (en) | 2012-08-03 | 2012-08-03 | Light emitting diode (LED) full-color display screen |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345904A (en) * | 2013-07-18 | 2013-10-09 | 邯郸市天之虹光电科技有限公司 | LED full color display screen control system |
| CN103531144A (en) * | 2013-07-18 | 2014-01-22 | 邯郸市天之虹光电科技有限公司 | Wireless control full color LED display screen |
| CN103680402A (en) * | 2013-09-11 | 2014-03-26 | 富顺光电科技股份有限公司 | An asynchronous full color LED display control system based on an LEON3 soft core CPU |
| CN103956139A (en) * | 2014-04-28 | 2014-07-30 | 东南大学 | Wheel full-color display device and display method thereof |
-
2012
- 2012-08-03 CN CN2012203852654U patent/CN202905112U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345904A (en) * | 2013-07-18 | 2013-10-09 | 邯郸市天之虹光电科技有限公司 | LED full color display screen control system |
| CN103531144A (en) * | 2013-07-18 | 2014-01-22 | 邯郸市天之虹光电科技有限公司 | Wireless control full color LED display screen |
| CN103680402A (en) * | 2013-09-11 | 2014-03-26 | 富顺光电科技股份有限公司 | An asynchronous full color LED display control system based on an LEON3 soft core CPU |
| CN103680402B (en) * | 2013-09-11 | 2015-12-23 | 富顺光电科技股份有限公司 | A kind of asynchronous all-colour LED display control program based on LEON3 soft nucleus CPU and control method thereof |
| CN103956139A (en) * | 2014-04-28 | 2014-07-30 | 东南大学 | Wheel full-color display device and display method thereof |
| CN103956139B (en) * | 2014-04-28 | 2016-10-26 | 东南大学 | A kind of wheel full-color EL display device and display packing thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JINGXIN OPTOELECTRONICS TECHNOLOGY INC. Free format text: FORMER NAME: JINJIANG JINGXIN ELECTRONIC TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 362000, Fujian, Quanzhou province Jinjiang Chi Town, Chi Village, Phoenix West Patentee after: Fujian Jingxin Photoelectric Technology Co. Ltd. Address before: 362000, Fujian, Quanzhou province Jinjiang Chi Town, Chi Village, Phoenix West Patentee before: Jinjiang City Jingxin Electronic Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20150803 |
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| EXPY | Termination of patent right or utility model |